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/*
* Copyright (C) 2024 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ReadableStreamBYOBRequest.h"
#include "JSReadableStreamBYOBRequest.h"
#include "ReadableByteStreamController.h"
#include "ReadableStream.h"
#include <JavaScriptCore/ArrayBufferView.h>
namespace WebCore {
Ref<ReadableStreamBYOBRequest> ReadableStreamBYOBRequest::create()
{
return adoptRef(*new ReadableStreamBYOBRequest);
}
ReadableStreamBYOBRequest::ReadableStreamBYOBRequest() = default;
JSC::ArrayBufferView* ReadableStreamBYOBRequest::view() const
{
return m_view.get();
}
// https://streams.spec.whatwg.org/#rs-byob-request-respond
ExceptionOr<void> ReadableStreamBYOBRequest::respond(JSDOMGlobalObject& globalObject, size_t bytesWritten)
{
RefPtr controller = m_controller.get();
if (!controller)
return Exception { ExceptionCode::TypeError, "controller is undefined"_s };
RefPtr view = m_view;
if (!view || view->isDetached())
return Exception { ExceptionCode::TypeError, "buffer is detached"_s };
ASSERT(view->byteLength() > 0);
ASSERT(view->possiblySharedBuffer()->byteLength() > 0);
return controller->respond(globalObject, bytesWritten);
}
// https://streams.spec.whatwg.org/#rs-byob-request-respond-with-new-view
ExceptionOr<void> ReadableStreamBYOBRequest::respondWithNewView(JSDOMGlobalObject& globalObject, JSC::ArrayBufferView& view)
{
RefPtr controller = m_controller.get();
if (!controller)
return Exception { ExceptionCode::TypeError, "controller is undefined"_s };
if (view.isDetached())
return Exception { ExceptionCode::TypeError, "buffer is detached"_s };
return controller->respondWithNewView(globalObject, view);
}
void ReadableStreamBYOBRequest::setController(ReadableByteStreamController* controller)
{
m_controller = controller;
}
void ReadableStreamBYOBRequest::setView(JSC::ArrayBufferView* view)
{
m_view = view;
}
template<typename Visitor>
void ReadableStreamBYOBRequest::visitAdditionalChildren(Visitor& visitor)
{
if (m_controller)
SUPPRESS_UNCOUNTED_ARG m_controller->stream().visitAdditionalChildren(visitor);
}
DEFINE_VISIT_ADDITIONAL_CHILDREN(ReadableStreamBYOBRequest);
template<typename Visitor>
void JSReadableStreamBYOBRequest::visitAdditionalChildren(Visitor& visitor)
{
// Do not ref `wrapped()` here since this function may get called on the GC thread.
SUPPRESS_UNCOUNTED_ARG wrapped().visitAdditionalChildren(visitor);
}
DEFINE_VISIT_ADDITIONAL_CHILDREN(JSReadableStreamBYOBRequest);
} // namespace WebCore
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